code: def testDecodingInvalidEncodedInputError(self):
      with self.assertRaisesRegex(
          errors.InvalidArgumentError,
          "not a valid CompositeTensorVariant tensor",
      ):
          self.evaluate(
              gen_composite_tensor_ops.CompositeTensorVariantToComponents(
                  encoded=gen_list_ops.EmptyTensorList(
                      element_dtype=dtypes.int32,
                      element_shape=[1, 2],
                      max_num_elements=2,
                  ),
                  metadata="",
                  Tcomponents=[dtypes.int32],
              )
          )
  
imports: from absl.testing import parameterized
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import composite_tensor_ops
  from tensorflow.python.ops import gen_composite_tensor_ops
  from tensorflow.python.ops import gen_list_ops
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import parsing_ops
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.platform import googletest
  from tensorflow.python.util import nest
label_desc: Use image node_id 5 for calling the ExtensionTypeTest obj's underlying member method code with example usage: obj.testDecodingInvalidEncodedInputError() without return types